Home / 112,920.94-169,381.42-29,815.66

Finding the Fourth Proportional to 112,920.94, 169,381.42 and 29,815.66

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Solution

The fourth proportional to 112,920.94, 169,381.42 and 29,815.66 is: 44,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.94 : 169,381.42 = 29,815.66 : x
  2. Step 2: Convert to fraction form
    112,920.94/169,381.42 = 29,815.66/x
  3. Step 3: Cross multiply
    112,920.94x = 169,381.42 × 29,815.66
  4. Step 4: Simplify right side
    112,920.94x = 5,050,218,829.04
  5. Step 5: Solve for x
    x = 5,050,218,829.04/112,920.94
  6. Step 6: Final answer
    x = 44,723.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.